Electric Circuits What is the reactive power in AC operation? Real power × sinθ. Apparent power × sinθ. Apparent power × cosθ. Real power × cosθ. Real power × sinθ. Apparent power × sinθ. Apparent power × cosθ. Real power × cosθ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 200 W, 200 V lamp is 800 Ω. 400 Ω. 200 Ω. 100 Ω. 800 Ω. 400 Ω. 200 Ω. 100 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistivity of semi-conductors at room temperatures is 1.6 × 106 to 100 × 106 ohm - cm. 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 1000 to 1500 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 0.01 to 50 ohm - cm. 109 to 1012 ohm - cm. 1000 to 1500 ohm - cm. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The laplace transform of the fuction f(t) = t is s. 1/s2. 1/s. s2. s. 1/s2. 1/s. s2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will decrease. remains unchanged. becomes zero. increase. decrease. remains unchanged. becomes zero. increase. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of following materials has the least resistivity ? Zinc. Copper. Lead. Mercury. Zinc. Copper. Lead. Mercury. ANSWER DOWNLOAD EXAMIANS APP
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